| // Boost.Bimap |
| // |
| // Copyright (c) 2006-2007 Matias Capeletto |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| /// \file views/map_view.hpp |
| /// \brief View of a side of a bimap that is signature compatible with std::map. |
| |
| #ifndef BOOST_BIMAP_VIEWS_MAP_VIEW_HPP |
| #define BOOST_BIMAP_VIEWS_MAP_VIEW_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER>=1200) |
| #pragma once |
| #endif |
| |
| #include <boost/config.hpp> |
| |
| #include <boost/bimap/container_adaptor/map_adaptor.hpp> |
| #include <boost/bimap/detail/map_view_base.hpp> |
| |
| namespace boost { |
| namespace bimaps { |
| namespace views { |
| |
| /// \brief View of a side of a bimap that is signature compatible with std::map. |
| /** |
| |
| This class uses container_adaptor and iterator_adaptor to wrapped a index of the |
| multi_index bimap core so it can be used as a std::map. |
| |
| See also const_map_view. |
| **/ |
| |
| template< class Tag, class BimapType > |
| class map_view |
| : |
| public BOOST_BIMAP_MAP_VIEW_CONTAINER_ADAPTOR( |
| map_adaptor, |
| Tag,BimapType, |
| reverse_iterator_type_by,const_reverse_iterator_type_by |
| ), |
| public ::boost::bimaps::detail:: |
| map_view_base< map_view<Tag,BimapType>,Tag,BimapType >, |
| public ::boost::bimaps::detail:: |
| unique_map_view_access< map_view<Tag,BimapType>, Tag, BimapType>::type |
| { |
| typedef BOOST_BIMAP_MAP_VIEW_CONTAINER_ADAPTOR( |
| map_adaptor, |
| Tag,BimapType, |
| reverse_iterator_type_by,const_reverse_iterator_type_by |
| |
| ) base_; |
| |
| BOOST_BIMAP_MAP_VIEW_BASE_FRIEND(map_view,Tag,BimapType) |
| |
| typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::detail:: |
| unique_map_view_access< |
| map_view<Tag,BimapType>, Tag, BimapType |
| |
| >::type unique_map_view_access_; |
| |
| public: |
| |
| typedef BOOST_DEDUCED_TYPENAME base_::value_type::info_type info_type; |
| |
| map_view(BOOST_DEDUCED_TYPENAME base_::base_type & c) : base_(c) {} |
| |
| using unique_map_view_access_::at; |
| using unique_map_view_access_::operator[]; |
| |
| BOOST_BIMAP_MAP_VIEW_RANGE_IMPLEMENTATION(base_) |
| |
| map_view & operator=(const map_view & v) |
| { |
| this->base() = v.base(); |
| return *this; |
| } |
| |
| // It can be used enable_if here but the error message when there |
| // is no info is very clear like this |
| |
| template< class CompatibleKey > |
| const info_type & info_at(const CompatibleKey& k) const |
| { |
| BOOST_DEDUCED_TYPENAME base_::const_iterator iter = this->find(k); |
| if( iter == this->end() ) |
| { |
| ::boost::throw_exception( |
| std::out_of_range("bimap<>: invalid key") |
| ); |
| } |
| return iter->info; |
| } |
| |
| template< class CompatibleKey > |
| info_type & info_at(const CompatibleKey& k) |
| { |
| BOOST_DEDUCED_TYPENAME base_::iterator iter = this->find(k); |
| if( iter == this->end() ) |
| { |
| ::boost::throw_exception( |
| std::out_of_range("bimap<>: invalid key") |
| ); |
| } |
| return iter->info; |
| } |
| }; |
| |
| } // namespace views |
| |
| /*===========================================================================*/ |
| #define BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,TYPENAME) \ |
| typedef BOOST_DEDUCED_TYPENAME MAP_VIEW::TYPENAME \ |
| BOOST_PP_CAT(SIDE,BOOST_PP_CAT(_,TYPENAME)); |
| /*===========================================================================*/ |
| |
| /*===========================================================================*/ |
| #define BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(MAP_VIEW,SIDE) \ |
| BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,reverse_iterator) \ |
| BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,const_reverse_iterator) \ |
| BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,range_type) \ |
| BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,const_range_type) \ |
| BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF(MAP_VIEW,SIDE,key_compare) |
| /*===========================================================================*/ |
| |
| namespace detail { |
| |
| template< class Tag, class BimapType > |
| struct left_map_view_extra_typedefs< ::boost::bimaps::views::map_view<Tag,BimapType> > |
| { |
| private: typedef ::boost::bimaps::views::map_view<Tag,BimapType> map_view_; |
| public : BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(map_view_,left) |
| }; |
| |
| template< class Tag, class BimapType > |
| struct right_map_view_extra_typedefs< ::boost::bimaps::views::map_view<Tag,BimapType> > |
| { |
| private: typedef ::boost::bimaps::views::map_view<Tag,BimapType> map_view_; |
| public : BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY(map_view_,right) |
| }; |
| |
| } // namespace detail |
| |
| /*===========================================================================*/ |
| #undef BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEF |
| #undef BOOST_BIMAP_MAP_VIEW_EXTRA_TYPEDEFS_BODY |
| /*===========================================================================*/ |
| |
| } // namespace bimaps |
| } // namespace boost |
| |
| #endif // BOOST_BIMAP_VIEWS_MAP_VIEW_HPP |
| |